MARMX vs. FRBEX
MARMX (Mutual of America Retirement Income Fund) and FRBEX (Fidelity Freedom 2070 Fund Class K) are both Target Retirement Date funds. Over the past year, MARMX returned 10.80% vs 32.27% for FRBEX. A 0.73 correlation means they provide meaningful diversification when combined. MARMX charges 0.13%/yr vs 0.65%/yr for FRBEX.
Performance
MARMX vs. FRBEX - Performance Comparison
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Returns By Period
In the year-to-date period, MARMX achieves a 3.58% return, which is significantly lower than FRBEX's 14.88% return.
MARMX
- 1D
- 0.50%
- 1M
- 0.83%
- YTD
- 3.58%
- 6M
- 3.58%
- 1Y
- 10.80%
- 3Y*
- 7.94%
- 5Y*
- 3.21%
- 10Y*
- —
FRBEX
- 1D
- 1.47%
- 1M
- 3.29%
- YTD
- 14.88%
- 6M
- 14.89%
- 1Y
- 32.27%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MARMX vs. FRBEX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
MARMX Mutual of America Retirement Income Fund | 3.58% | 10.54% | 3.32% |
FRBEX Fidelity Freedom 2070 Fund Class K | 14.88% | 23.38% | 3.52% |
Correlation
The correlation between MARMX and FRBEX is 0.80, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.80 |
Correlation (All Time) Calculated using the full available price history since Jul 3, 2024 | 0.73 |
The correlation between MARMX and FRBEX has been stable across timeframes, ranging from 0.73 to 0.80 - a consistent structural relationship.
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Return for Risk
MARMX vs. FRBEX — Risk / Return Rank
MARMX
FRBEX
MARMX vs. FRBEX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Mutual of America Retirement Income Fund (MARMX) and Fidelity Freedom 2070 Fund Class K (FRBEX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MARMX | FRBEX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.07 | ||
| Sortino ratioReturn per unit of downside risk | +0.28 | ||
| Omega ratioGain probability vs. loss probability | 1.43 | 1.43 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 3.07 | 3.28 | -0.20 |
| Martin ratioReturn relative to average drawdown | 13.77 | 14.25 | -0.49 |
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Drawdowns
MARMX vs. FRBEX - Drawdown Comparison
The maximum MARMX drawdown since its inception was -16.21%, which is greater than FRBEX's maximum drawdown of -15.31%. Use the drawdown chart below to compare losses from any high point for MARMX and FRBEX.
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Drawdown Indicators
| MARMX | FRBEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.21% | -15.31% | -0.90% |
Max Drawdown (1Y)Largest decline over 1 year | -3.92% | -9.79% | +5.87% |
Max Drawdown (3Y)Largest decline over 3 years | -5.64% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -15.94% | — | — |
Current DrawdownCurrent decline from peak | -0.16% | 0.00% | -0.16% |
Average DrawdownAverage peak-to-trough decline | -4.25% | -1.78% | -2.47% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.84% | 2.24% | -1.40% |
Volatility
MARMX vs. FRBEX - Volatility Comparison
The current volatility for Mutual of America Retirement Income Fund (MARMX) is 2.02%, while Fidelity Freedom 2070 Fund Class K (FRBEX) has a volatility of 5.85%. This indicates that MARMX experiences smaller price fluctuations and is considered to be less risky than FRBEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MARMX | FRBEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.02% | 5.85% | -3.83% |
Volatility (6M)Calculated over the trailing 6-month period | 4.33% | 11.74% | -7.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.34% | 13.76% | -8.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.56% | 16.09% | -8.53% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 391.44% | 16.09% | +375.35% |
MARMX vs. FRBEX - Expense Ratio Comparison
MARMX has a 0.13% expense ratio, which is lower than FRBEX's 0.65% expense ratio.
Dividends
MARMX vs. FRBEX - Dividend Comparison
MARMX's dividend yield for the trailing twelve months is around 4.17%, more than FRBEX's 4.07% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
FRBEX Fidelity Freedom 2070 Fund Class K | 4.07% | 2.38% | 2.40% | 0.00% | 0.00% | 0.00% |
MARMX Mutual of America Retirement Income Fund | 4.17% | 4.32% | 4.16% | 1.55% | 5.73% | 2.03% |
Frequently Asked Questions
MARMX and FRBEX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FRBEX has higher volatility (5.85%) compared to MARMX (2.02%). In terms of maximum drawdown, MARMX dropped -16.21% vs FRBEX's -15.31%.
FRBEX currently has the higher Sharpe Ratio (2.33 vs 2.26), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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